Reptiles & Amphibians of Wisconsin
The reptiles & amphibians most often spotted in Wisconsin, ranked by recent research-grade observations.
Most-observed reptiles & amphibians in Wisconsin
American Toad
Anaxyrus americanus
8,223 observations
Painted Turtle
Chrysemys picta
5,395 observations
Green Frog
Lithobates clamitans
4,798 observations
Common Garter Snake
Thamnophis sirtalis
4,740 observations
Northern Leopard Frog
Lithobates pipiens
2,826 observations
Common Snapping Turtle
Chelydra serpentina
2,824 observations
Spring Peeper
Pseudacris crucifer
2,163 observations
Wood Frog
Lithobates sylvaticus
1,981 observations
Blue-spotted Salamander
Ambystoma laterale
1,576 observations
American Bullfrog
Lithobates catesbeianus
1,547 observations
Common Watersnake
Nerodia sipedon
1,152 observations
Red-bellied Snake
Storeria occipitomaculata
1,114 observations · iNaturalist
Eastern Foxsnake
Pantherophis vulpinus
902 observations · iNaturalist
DeKay's Brownsnake
Storeria dekayi
860 observations
Blanding's Turtle
Emydoidea blandingii
734 observations
Eastern Hognose Snake
Heterodon platirhinos
703 observations
Eastern Milksnake
Lampropeltis triangulum
695 observations
Boreal Chorus Frog
Pseudacris maculata
663 observations
Gray Treefrog
Dryophytes versicolor
614 observations · iNaturalist
Eastern Red-backed Salamander
Plethodon cinereus
548 observations
Spiny Softshell
Apalone spinifera
535 observations
Northern Map Turtle
Graptemys geographica
521 observations
Eastern Tiger Salamander
Ambystoma tigrinum
340 observations
Smooth Greensnake
Opheodrys vernalis
338 observations
Pickerel Frog
Lithobates palustris
291 observations
Common Five-lined Skink
Plestiodon fasciatus
275 observations
Western Foxsnake
Pantherophis ramspotti
270 observations · iNaturalist
Gopher Snake
Pituophis catenifer
240 observations
Ring-necked Snake
Diadophis punctatus
218 observations
Timber Rattlesnake
Crotalus horridus
214 observations
Eastern Newt
Notophthalmus viridescens
203 observations
Spotted Salamander
Ambystoma maculatum
202 observations
Wood Turtle
Glyptemys insculpta
202 observations
Butler's Garter Snake
Thamnophis butleri
173 observations
Prairie Skink
Plestiodon septentrionalis
117 observations
Ouachita Map Turtle
Graptemys ouachitensis
115 observations · iNaturalist
Common Mudpuppy
Necturus maculosus
107 observations
Four-toed Salamander
Hemidactylium scutatum
102 observations
Six-lined Racerunner
Aspidoscelis sexlineatus
101 observations · iNaturalist
Mink Frog
Lithobates septentrionalis
96 observations
Pond Slider
Trachemys scripta
83 observations
False Map Turtle
Graptemys pseudogeographica
68 observations
Plains Garter Snake
Thamnophis radix
59 observations
North American Racer
Coluber constrictor
56 observations
Gray Ratsnake
Pantherophis spiloides
53 observations
Eastern Musk Turtle
Sternotherus odoratus
52 observations
Blanchard's Cricket Frog
Acris blanchardi
51 observations · iNaturalist
Slender Glass Lizard
Ophisaurus attenuatus
44 observations
Western Ratsnake
Pantherophis obsoletus
38 observations
Ornate Box Turtle
Terrapene ornata
33 observations